Question

3t - 12 ≤ - 9

pls see attachment

Answer 1

D : t ≤ 1

Explanation:

3t - 12 ≤ - 9

3t - 12 + 12 ≤ - 9 + 12

3t ≤ 3

3t/3 ≤ 3/3

t ≤ 1

For (≤ or <) Arrow points to the negative side

if the symbol is (≥ or ≤) then you fill in the dot

if the symbol is (> or <) then you do not fill in the dot